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Biomedical subjects

J Dutch

Publications and source records attributed to J Dutch.

8 recordsLinked to original sources

Patient and spouse responses to education early after myocardial infarction.

The impact of a post myocardial infarction education programme was assessed by comparing the increase in knowledge of patients and spouses about CHD in two hospitals, one (A) with and the other (B) without such a programme. Subjects completed the same two questionnaires twice, once within 4 days of admission and again within 16 days of leaving hospital. Q1 contained 83 questions about CHD and Q2, consisted of seven questions of immediate practical relevance to their convalescence. When the two hospitals were compared the only significant changes were observed in the responses of spouses and patients from hospital A. Spouses in A increased their scores on Q1 by a mean of 7.13% (p 0.001) in contrast to a fall of 2.01% in B. The mean increase in scores on Q2 for patients in A was 19.3% (p 0.001). It is concluded that an education programme increases the knowledge of patients and spouses but that their learning ability differs. Whilst it is suggested that spouses are included in patient education it appears likely that their educational needs may differ from those of the patient.

Adult

Cardiovascular responses during cuff inflation in subjects who have been sensitised to the measurement of their blood pressure.

Changes in arterial pulse transit time, interbeat interval and the interval between the ECG signal and the arrival of the ensuing pulse at a peripheral site were recorded in response to the attachment and inflation of the cuff during blood pressure measurement. Two groups of subjects were used: a control group and a blood-pressure sensitised group. Blood-pressure sensitised individuals were defined as those who reported themselves to have been diagnosed as hypertensive by a physician, since it was hypothesised that learned or emotional responses to blood-pressure measurement would be greater in this group. No cardiovascular response to the blood-pressure measurement procedure was observed in the control group, but the blood-pressure sensitised group showed an increase in interbeat and a decrease in pulse transit time during cuff inflation. Decreases in pulse transit time are thought to reflect increases in diastolic blood pressure and arterial rigidity.

Blood Pressure

Psychological stress and arterial pulse transit time.

Progress in isolating the psychological factors contributing to the development of arterial hypertension has been retarded by the absence of suitable, non-invasive and continuous measures of significant aspects of cardiovascular activity. Pulse transit time may help to resolve this problem since it reflects changes in arterial elasticity and diastolic blood pressure. A method of recording pulse transit time is described. Significant decreases in pulse transit time were observed in response to a cold pressor test, a video game, a reaction-time task and problem solving, regardless of site of measurement or method of pulse transduction.

Adolescent